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| Paper: |
Detection of Chromospheric Magnetic Fields: A Forward Modeling Approach |
| Volume: |
437, Solar Polarization Workshop 6 |
| Page: |
439 |
| Authors: |
Uitenbroek, H. |
| Abstract: |
We show that circular and linear polarization resulting from the Zeeman
effect in chromospheric spectral lines is generally expected to be small
because these lines form at high temperatures and arise from light elements.
To illustrate this point we solve two-dimensional non-LTE
radiative transfer in the Ca II 854.21 nm and Na I D2
lines through a magnetostatic flux concentration model and calculate
the expected polarization.
Finally, we show that the vertical magnetic field on the axis
of the concentration can be recovered by measuring the bisector
separation of the left- and right-hand circularly polarized
emergent profiles. |
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